A woman shops for items at a Costco store on April 28 in Alhambra, California. Frederic J. Brown/AFP/Getty Images

Costco just broke ranks with the majority of corporate America, suing the Trump administration on Friday for allegedly overstepping its authority to impose sweeping tariffs this year — and demanding its money back if the Supreme Court ultimately strikes them down.

The case, which was argued in the Supreme Court last month, revolves around whether President Donald Trump had the legal authority to impose tariffs by citing a law known as the International Emergency Economic Powers Act. Trump used those powers to push import tax rates as high as 50% on key trading partners, including India and Brazil, and as high as 145% on China earlier this year. In total, the tariffs h

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